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[yaffs-website] / vendor / symfony / serializer / Normalizer / JsonSerializableNormalizer.php

diff --git a/vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php b/vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php
new file mode 100644 (file)
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+++ b/vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Normalizer;
+
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\LogicException;
+
+/**
+ * A normalizer that uses an objects own JsonSerializable implementation.
+ *
+ * @author Fred Cox <mcfedr@gmail.com>
+ */
+class JsonSerializableNormalizer extends AbstractNormalizer
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function normalize($object, $format = null, array $context = array())
+    {
+        if ($this->isCircularReference($object, $context)) {
+            return $this->handleCircularReference($object);
+        }
+
+        if (!$object instanceof \JsonSerializable) {
+            throw new InvalidArgumentException(sprintf('The object must implement "%s".', \JsonSerializable::class));
+        }
+
+        if (!$this->serializer instanceof NormalizerInterface) {
+            throw new LogicException('Cannot normalize object because injected serializer is not a normalizer');
+        }
+
+        return $this->serializer->normalize($object->jsonSerialize(), $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsNormalization($data, $format = null)
+    {
+        return $data instanceof \JsonSerializable;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDenormalization($data, $type, $format = null)
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function denormalize($data, $class, $format = null, array $context = array())
+    {
+        throw new LogicException(sprintf('Cannot denormalize with "%s".', \JsonSerializable::class));
+    }
+}